Twitter co-founder Jack Dorsey's new app, called Sun Day, ostensibly helps users track UV exposure and vitamin D intake.

The Twitter cofounder’s latest wellness app tracks your UV exposure and vitamin D intake. Twitter cofounder Jack Dorsey is ...

Twitter co-founder and Block CEO Jack Dorsey isn’t just vibe-coding new social apps, like Bitchat and Sun Day, he has ...

Jack Dorsey is shipping. On Sunday, the Twitter co-founder shared a link on X (formerly Twitter) to a new app called Sun Day, ...

Jack Dorsey has launched Sun Day, a new iOS app that tracks Vitamin D synthesis using real-time UV data. The app estimates ...

Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels. It’s his second app ...

The new app called Sun Day tracks your UV exposure as well as Vitamin D levels. Last week, Dorsey introduced a new Bluetooth ...

After launching Bitchat, Jack Dorsey has introduced another experimental app called Sun Day, designed to track users’ sun ...

"Jack Dorsey's new app Sun Day is exciting, not to detect vitamin D levels but really to help us understand our UV index ...

Jack Dorsey launches Sun Day to track UV exposure and Vitamin D intake, following his Bluetooth-based messaging experiment ...

Jack Dorsey has launched Sun Day, an iOS app that tracks UV exposure and estimates vitamin D levels based on location, skin ...

Another day, another app from Jack Dorsey. The Twitter co-founder has announced an app called Sun Day just one week after ...